Finding the Fourth Proportional to 252,167.52, 378,306.63 and 74,688.42
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Solution
The fourth proportional to 252,167.52, 378,306.63 and 74,688.42 is: 112,049.02
Step by Step Solution
- Step 1: Write the proportion equation
252,167.52 : 378,306.63 = 74,688.42 : x - Step 2: Convert to fraction form
252,167.52/378,306.63 = 74,688.42/x - Step 3: Cross multiply
252,167.52x = 378,306.63 × 74,688.42 - Step 4: Simplify right side
252,167.52x = 28,255,124,470.22 - Step 5: Solve for x
x = 28,255,124,470.22/252,167.52 - Step 6: Final answer
x = 112,049.02
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.